Excalibur Systems


Excalibur Systems provides a large
selection of board level products for
military avionics.

Excalibur Systems

Commercial Avionics

Excalibur Systems
provides a large selection
of board level products
for commercial avionics.

Products & solutions

Excalibur Systems

Excalibur Systems is the leader in providing the Aerospace Industry with high quality, cost effective data bus interfaces, data recorders, converters, couplers, cables, connectors and Integrated Solutions. Excalibur Systems' line of products provides support for MIL-STD-1553, ARINC-429 and other military and commercial avionics specifications.



Popular Products

USB / Ethernet

The EXC-1553UNET/Px and the DAS-429UNET/RTx are intelligent, MIL-STD-1553 & ARINC-429 adapters. Its small size and ability to interface through USB or Ethernet interfaces make it a complete solution for developing, testing and performing system simulation of the MIL-STD-1553 & ARINC-429 buses, both in the lab and in the field.


1553 Mini PCIe

This card’s small size and suitability for Mini Card compatible computers make it a complete solution for developing, testing, integrating 1553 interfaces and for performing system simulation of the MIL-STD-1553 bus, both in the lab and in the field.


ARINC-825 / 825CAN

The M4K825CAN is an intelligent multichannel ARINC 825 (CAN bus) interface module for the multiprotocol Excalibur 4000 family of carrier boards. The module supports up to ten ARINC-825 channels.



The M4K717 is an intelligent ARINC 717 interface module for the multiprotocol Excalibur 4000 family of carrier boards.

The module supports two ARINC 717 receive channels and two transmit channels.



Fully Integrated

An advanced, ruggedized PC104 and PC104+ system in an enclosed, modular casing. The system is appropriate as a mission computer or for use in data acquisition and recording for any combination of ARINC-429, MIL-STD-1553, Serial, Discrete or similar types of communication.



Protocol Converter

The MACC is a complete Miniature Airborne Communications Converter (data converter) designed to convert bi-directional messages. 
The MACC converts messages between the following protocols: 

MIL-STD-1553/1760, ARINC 429, ARINC 825, Serial (RS-232/422/485), NMEA, Discrete I/O's, Ethernet & more.



Mini Data Recorder

Excalibur’s MARC is a complete Miniature Airborne ReCording system designed to record messages of several communication protocols:

♦ MIL-STD-1553 / 1760

♦ ARINC-429 

♦ Discrete I/O's



MIL-STD-1553 Repeater

The ESI-1553RPT MIL-STD-1553 Repeater box was developed for customers who need to extend the existing length of their bus or provide the capability to utilize long stubs or to connect a number of devices to a single stub.



Discontinued products 22 March, 2017
Excalibur is announcing that the following cards will be discountinued due to chips becoming obsolete:

DAS-429(cc)PMC/RTx - M4KCAN


read more news
M4KETH 23 August, 2016
The M4K-ETH is an intelligent Gigabit Ethernet interface module for the multiprotocol Excalibur 4000 family of carrier boards. The module supports 10Mhz, 100Mhz and 1Ghz Full Duplex UDP/IP Ethernet.
read more news
ARINC-429 & ARINC-717 on Mini PCIe card 4 February, 2016
The DAS-429mPCIe/RT10, DAS-429mPCIe/RT6D4 and DAS-429mPCIe/RT8-717 are ARINC 429, multichannel interface cards. The DAS-429mPCIe/RT6D4 has additional Discrete I/Os and the DAS-429mPCIe/RT8-717 has additional ARINC 717 receive and transmit channels. They comply with the PCI Express support one lane 2.5 Gbps PCI Express. The card�s small size and suitability for Mini Card compatible computers make it a complete solution for developing, testing, integrating ARINC 429 interfaces and for performing system simulation of the ARINC 429 bus, both in the lab and in the field.
read more news
1553 Airborne Repeater 24 February, 2015
New at Excalibur! 1553 Repeater with rugged configuration of our MACC.
read more news


Databus monitor and analyzer

is a cost-effective avionics monitoring and simulation application for MIL-STD-1553, ARINC-429 & many other protocols that streamlines data acquisition, processing and translation into meaningful engineering units, raw data and graphical displays.




The EXC-ETHPCIe/2 board is an Ethernet test board and supports two channels. The board also contains room for two standard 4000 modules that can support multiple channels of other avionics communications protocols including MIL-STD-1553, ARINC-429, Serial, Discrete, ARINC-708 and CANbus.


Conduction Cooled

Embedded Boards

ARINC-429 PMC up to 20 channels

ARINC-708/453 PMC up to 4 channels

MIL-STD-1553/1760 PMC up to 4 channels

MIL-STD-1553/1760 VME up to 16 channels



Multi protocol

The EXC-4000P104plus is a multiprotocol P104plus interface board for avionics test and simulation applications. Each board holds up to five independent modules. Ideal for embedded systems.


Power Supply

PC/104 Plus Power Supply

The EXC-PSM104P85S power supply is a high performance 85 Watt power supply designed for aerospace, military and high-end industrial applications.The EXC-PSM104P85S is ideal for embedded solutions and is specifically designed to comply with MIL-STD-461E, MIL-STD-704A & E and MIL-STD-1275B.


4000 PCI Express

Multi-protocol PCI Express

The 4000 PCI Express carrier board was developed to meet the needs of avionic testers for multi-protocol integrated, digital bus testing using PCI Express.


Box Couplers

MIL-STD-1553 Couplers

Box Couplers are the key component in the fabrication of your bus architecture. Excalibur provides a full line of standard couplers listed in the catalog as well as custom couplers to your requirements. Excalibur's products are cost competitive, with delivery from stock.


In-line Couplers

MIL-STD-1553 In-line Couplers

IN-LINE COUPLERS are predominately utilized in airborne applications but can also be used where space is limited such as testers and simulators. The products were designed to meet the environmental requirements imposed by the military, including the temperature range of -55°C to 125°C.


Bus Switches

MIL-STD-1553 Bus Switch

MIL-STD-1553 Bus Switches are devices that enable system architecture to be reconfigured. This reconfiguration is mostly accomplished in the test environment and includes but is not limited to simulation of missile firing and switching in or out a new section of bus interface.


Terminators, Cables & Connectors

MIL-STD-1553 Accessories

Excalibur provides a variety of terminators that includes, 78 ohm, 3K ohm and others.

Excalibur Cable Plugs & Jacks are built to last with superior mechanical performance and rugged physical properties


Tutorial - Couplers

All you wanted to know about connecting to a MIL-STD-1553 bus

Turn up your speakers and click here!


1553 Tutorial

MIL-STD-1553 Tutorial

(a four part introduction to 1553)


429 Tutorial

ARINC-429 Tutorial


ARINC-664P7 / 825 Tutorials

ARINC-664 Part 7 


ARINC-825 Tutorials


Excalibur Courses

Excalibur now offers 1 day Training Seminars in:
  • MIL-STD-1553
  • ARINC-429
  • AFDX / ARINC-664
  • ARINC-825 / CANbus
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